@misc{75228, author = {E. Klinker and Laura Ferranti}, title = {Forecasting system performance in summer 1999. Part 1 - Diagnostics related to the forecast performance during spring and summer 1999}, year = {2000}, journal = {ECMWF Technical Memoranda}, number = {321}, pages = {27}, month = {09/2000}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, url = {https://www.ecmwf.int/node/10504}, doi = {10.21957/ybuymm94}, language = {eng}, }